JPS58110861U - voltage display circuit - Google Patents

voltage display circuit

Info

Publication number
JPS58110861U
JPS58110861U JP724982U JP724982U JPS58110861U JP S58110861 U JPS58110861 U JP S58110861U JP 724982 U JP724982 U JP 724982U JP 724982 U JP724982 U JP 724982U JP S58110861 U JPS58110861 U JP S58110861U
Authority
JP
Japan
Prior art keywords
voltage
light emitting
emitting diode
diode
display circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP724982U
Other languages
Japanese (ja)
Inventor
明 稲田
Original Assignee
三洋電機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三洋電機株式会社 filed Critical 三洋電機株式会社
Priority to JP724982U priority Critical patent/JPS58110861U/en
Publication of JPS58110861U publication Critical patent/JPS58110861U/en
Pending legal-status Critical Current

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  • Measurement Of Current Or Voltage (AREA)
  • Emergency Protection Circuit Devices (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は定電圧回路を示す回路図、第２図は従来の電圧
表示回路を余す回路図、第３図は本考案の電圧表示回路
を示す回路図である。 １・・・定電圧ダイオード、２・・・直列制御型電圧制
御トランジスタ、６・・・マルチカラー発光ダイオード
、７・・・スイッチングトランジスタ。FIG. 1 is a circuit diagram showing a constant voltage circuit, FIG. 2 is a circuit diagram showing a conventional voltage display circuit, and FIG. 3 is a circuit diagram showing a voltage display circuit according to the present invention. DESCRIPTION OF SYMBOLS 1... Constant voltage diode, 2... Series control type voltage control transistor, 6... Multicolor light emitting diode, 7... Switching transistor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 基準電圧設定用定電圧ダイオードを用いた定電圧回路に
おいて、該ダイオードと直列に第１発光ダイオードを接
続し、前記定電圧ダイオードの０Ｎ−ＯＦＦに応じて０
ＦＦ−ＯＮスイッチング動作するスイッチングトランジ
スタと基準電位点間に前記第１発光ダイオードとは異な
る発光色の第２発光ダイオードを接続し、電源の正常電
圧時には第１発光ダイオードを点灯させると共に機器の
規定動作範囲外になる減電圧時には発光色に異なる第２
発光ダイオードを点灯させて発光色により正常と減電圧
表示を行なう電圧表示回路。In a constant voltage circuit using a constant voltage diode for setting a reference voltage, a first light emitting diode is connected in series with the diode, and the voltage is set to 0 according to the ON-OFF state of the constant voltage diode.
A second light emitting diode that emits light in a different color from the first light emitting diode is connected between the switching transistor that performs FF-ON switching operation and the reference potential point, and when the power supply voltage is normal, the first light emitting diode lights up and the device operates as specified. When the voltage drops out of the range, the second
A voltage display circuit that lights up a light emitting diode to indicate normal or reduced voltage using the color of the light emitted.
JP724982U 1982-01-21 1982-01-21 voltage display circuit Pending JPS58110861U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP724982U JPS58110861U (en) 1982-01-21 1982-01-21 voltage display circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP724982U JPS58110861U (en) 1982-01-21 1982-01-21 voltage display circuit

Publications (1)

Publication Number Publication Date
JPS58110861U true JPS58110861U (en) 1983-07-28

Family

ID=30020008

Family Applications (1)

Application Number Title Priority Date Filing Date
JP724982U Pending JPS58110861U (en) 1982-01-21 1982-01-21 voltage display circuit

Country Status (1)

Country Link
JP (1) JPS58110861U (en)

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